I love to try out things on the REPL(read eval print loop) before I write scripts with them. The trouble with Twisted is that everything returns deferreds, and after your start the reactor, you can’t do anything anymore.

All this is solved by this one single command. It gives you a REPL powered by the Twisted event loop. To make things even better: It prints the value of a deferred once it is finished!

python -m twisted.conch.stdio

Added hint: Put this in a file, do “chmod +x” on it and put it on your $PATH.